Mod K-980 Скачать руководство пользователя страница 18 | Manualshive

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Mod K-980 Скачать руководство пользователя страница 18

DC Voltage Test Points

1

2

3

4

5

6

7

8

9

-

+

1

2

3

1

2

3

.1

µ

1

8

1M

220K

4.7K

E

B

C

5

.1

µ

1K

250K

MPSA13

3

2

1

22

0

µF

50

V

18

14

9

13

25

µF 2

5

V

220

1

5

0

K

20

0K

110K

68

0K

.1

µ

104J

1

2

3

4

5

6

7

8

9

2M

220

+

22

0K

GROUND

Guitar cable must be
plugged into the input
jack while taking voltage
measurements

A

B

C

D

E

F

G

H

I

J

K

L

«
...
16
17
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Содержание K-980

Страница 1: ...p from the JJ 5751 to over the top crunchy distortion using the NOS 12AT7 A boost switch provides an additional layer of flexibility with added gain and a little extra bottom end An LED indicator ligh...

Страница 2: ...s in the Vacuum Tube Section 10 Section 6 Mounting Components in the Vacuum Tube Section 11 Section 7 Wire the Output Jack and Footswitch Connections 12 Section 8 Finishing Up 12 Suggested Tube Uses 1...

Страница 3: ...G White K PUL1569 WHITE 4 FT PARTS LIST 1 3 RING LUG GROUND LUG TIP LUG GROUND LUG TIP LUG 1 2 3 R VA1KL 1 P 0501H05 1 1st Lug Common 5th Lug Common COM 1 2 3 4 5 COM 1 2 3 4 5 Mini Chicken Head Knob...

Страница 4: ...5 6 7 8 9 P ST9 300 1 R A150K 1 150k Resistor W brown green yellow gold 150K R A110K 1 110k Resistor W brown brown yellow gold 110K R A1M 1 1M Resistor W brown black green gold 1M R A2M 1 2M Resistor...

Страница 5: ...nal assembly drawing Refer to this drawing as you make your way through each step of the instructions Before you make a new connection at a particular terminal or solder lug notice how many other conn...

Страница 6: ...e a good solder joint Take your time with each connection and make sure that all components are connected and will remain connected if your project is bumped or shaken Bend the component lead or wire...

Страница 7: ...use both the upper and lower portion of the terminal Terminals 1 4 220K resistor 1 Mount the components and leads to the lower set of holes but do not solder Terminals 4 6 1M resistor Solder the lower...

Страница 8: ...e footswitch solder lugs are oriented left to right not up and down as illustrated here SECTION 2 Mount the Potentiometers Footswitch LED and DC Power Jack Please refer to DRAWING 3 Mount the 1K poten...

Страница 9: ...terminal 5 between the 250K pot and the tube socket using 6 hardware Be careful to mount these so that none of the terminals are unintentionally shorted to ground by surface to surface contact with th...

Страница 10: ...tinned wire and connect Stripping and tinning wire Throughout these instructions you will be told to strip and tin a length of wire numerous times Unless noted otherwise cut the wire to the length sta...

Страница 11: ...e 110K resistor to Tube pin 7 Terminal 18 6 Connect the 680K resistor to You can solder the Pin 6 connection now Don t solder at Pin 6 yet Don t solder at Pin 7 yet Tube pin 1 Terminal 16 7 Connect th...

Страница 12: ...tery will last only about 1 hour of continuous operation 9 volt center negative power supply is highly recommended for use with this unit Unplug from the input jack of the unit to turn it off and save...

Страница 13: ...lays light distortion at minimum gain settings and covers the same territory as the 12AX7B China at middle gain settings With the boost switch engaged it goes beyond overdrive into fuzz distortion wit...

Страница 14: ...1 1 8 DRAWING 2 1M 220K 4 7K E B C 5 MPS A13 1 14 1 2 3 4 5 6 7 8 9 1 2 3 1 2 3 DRAWING 3 1 1 8 1M 220K 4 7K E B C 5 1 1K 250K MPS A13 3 2 1 RED BLACK 220 F 50V...

Страница 15: ...15 Terminal Numbering Convention 1 8 5 1 2 3 4 5 6 7 8 9 9 13 14 18 2 3 4 6 7 10 11 12 15 16 17 1KL 250KA 1 2 3 4 5 6 7 8 9 1 2 3 1 2 3 1 1 8 1M 220K 4 7K E B C 5 1 1K 250K MPS A13 3 2 1 220 F 50V 18...

Страница 16: ...MPS A13 3 2 1 220 F 50V 18 14 9 13 DRAWING 6 25 F 25V 220 150K 2 0 0 K 6 8 0 K 1 104J 1 2 3 4 5 6 7 8 9 1 2 3 1 2 3 1 1 8 1M 220K 4 7K E B C 5 1 1K 250K MPS A13 3 2 1 220 F 50V 18 14 9 13 25 F 25V 220...

Страница 17: ...ure DC voltage at the test points listed above and shown in the drawing on the next page Plug a guitar cable into the input jack and take measurements at each test point with the gain control turned a...

Страница 18: ...8 1M 220K 4 7K E B C 5 1 1K 250K MPSA13 3 2 1 220 F 50V 18 14 9 13 25 F 25V 220 150K 2 0 0 K 110K 6 8 0 K 1 104J 1 2 3 4 5 6 7 8 9 2M 220 220K GROUND Guitar cable must be plugged into the input jack w...

Страница 19: ...ble must be plugged into the input jack while taking voltage measurements Connect your guitar to the input jack and take AC voltage measurements at each test point with both controls turned all the wa...

Страница 20: ...GAIN Measurements taken with 12AT7 in V1 157mA DC 9 1 VDC 2 4 VDC 1 6 VDC 6 9 VDC 0 6 VDC 0 5 VDC 4 8 VDC 0 VDC 0 5 VDC 7 0 VDC 0 4 VDC AC signal test points NUMBERS DC test points LETTERS 70mV AC AC...

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